| group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 1.99 | 13.03 | 1.17 | 7.73 | -11.47 | 74.32 | -33.55 | 99.89 | 0.5519 | -131.8 | -119.2 | |
|
previous
or next observation for the same group /
back to the solar disc SDO HMI 2014-03-02 21:00:28 UT
See sunspots with tool (Click here to study sunspot positions and configurations with tool using white-light and magnetogram images and polarity drawing) (It is recommended to set high resolution on your display!) |
| spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
| 0.78 | 1.81 | 0.45 | 1.06 | -11.41 | 75.48 | -32.39 | 99.93 | 0.5352 | 858.8 | 713.0 | |
| 0.00 | 2.42 | 0.00 | 1.42 | -11.13 | 75.37 | -32.50 | 99.39 | 0.5364 | 733.0 | 640.6 | |
| 0.00 | 1.21 | 0.00 | 0.71 | -11.54 | 75.28 | -32.59 | 100.15 | 0.5382 | 826.0 | 552.7 | |
| 0.00 | 0.95 | 0.00 | 0.57 | -12.10 | 73.86 | -34.01 | 100.96 | 0.5592 | -743.0 | -620.0 | |
| 0.00 | 0.86 | 0.00 | 0.51 | -10.85 | 73.88 | -33.98 | 98.71 | 0.5575 | -755.0 | -562.8 | |
| 0.52 | 5.78 | 0.31 | 3.46 | -11.54 | 73.50 | -34.37 | 99.90 | 0.5637 | -879.3 | -683.4 | |
| 0.69 | -6.00 | 0.41 | -6.00 | -11.68 | 73.44 | -34.43 | 100.15 | 0.5646 | -873.2 | 999999 | |
| Proj. U | - Projected umbra area in millionths of solar disc, negative values indicate | |
|
that the umbra consists of fragmented regions which cannot be separated without losing umbral area. In this way several spots (intensity minima in the umbra) have a common umbra, e.g. -2 means that the given spot shares an umbra with spot No.2, and the common U value is indicated at spot No.2. |
||
| Proj. WS | - Projected whole spot area in millionths of solar disc, negative values indicate | |
|
that several umbras have a common penumbra, e.g. -7 means that the given umbra shares a penumbra with umbra No.7, and the WS value is indicated at No.7. |
||
| Corr. U | - Corrected umbra area in millionths of solar hemisphere, for negative values see above | |
| Corr. WS | - Corrected whole spot area in millionths of solar hemisphere, for negative values see above | |
| B | - Heliographic latitude B; positive: North, negative: South | |
| L | - Heliographic longitude L | |
| LCM | - Longitudinal distance from the Sun's central meridian | |
| Pos. angle | - Position angle | |
| r | - Distance from the centre of Sun's disc in terms of Sun's radius | |
| MU | - Mean magnetic field within the umbra contour averaged the pixel values with sign. | |
| MP | - Mean magnetic field within the penumbra contour averaged the pixel values with sign. | |